You want to give the development team all the live production servers, with all the terabytes of databases, so that they can debug?
But Without having any impact on the users of the live environment?
No problem, in a matter of seconds, you can create a Reduced Clone, one or several, they can debug, and crash it several times if needed.
Later, when they find the bug, you can switch the debugged environment as Live in a couple of clicks.